Ralph de Clare I & Mabel 
They had a son named Ralph.
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Personal Details
Ralph de Clare I
Ralph was born in 1130 in Wilton & Sinnington, Yorkshire & Shere, Surrey, England.1 He died at the age of 75 in 1205.1
1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=:3312337&id=I078295
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=craigsharrow&id=I982691
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=craigsharrow&id=I982691